<html>

<head>

</head>

<body>
    <h1>北京高温</h1>
    <form>
        姓名: <input type="text">
        电话号码: <input type="text" name="lastname">
        密码: <input type="password" name="pwd"><br>

        <input type="radio" name="sex" value="male">男<br>

        <input type="radio" name="sex" value="female">女

        <input type="button" value="Submit">
    </form>
</body>

</html>